Sphaerostigma dentatum subsp. campestris (Greene) Johanss. subspecies synonym

Oenothera cruciata (S.Watson) Munz species proparte synonym

Oenothera torulosa f. permixta H.Lév. form synonym

Oenothera torulosa f. mixta H.Lév. form synonym

Oenothera torulosa f. cruciata (S.Watson) H.Lév. form synonym

Oenothera campestris subsp. parishii (Abrams) Munz subspecies synonym

Oenothera campestris var. obispoensis (P.H.Raven) J.T.Howell variety synonym

Oenothera campestris subsp. cruciata (S.Watson) Rostanski subspecies synonym

Oenothera siliquosa Nutt. ex Torr. & A.Gray species synonym

Sphaerostigma campestre var. parishii Abrams variety synonym

Sphaerostigma campestre var. mixtum (H.Lév.) A.Nelson variety synonym

Sphaerostigma campestre var. minus Small variety synonym

Sphaerostigma campestre var. minor Small, 1896 variety doubtful

Sphaerostigma campestre var. helianthemiflorum (H.Lév.) A.Nelson variety synonym

Oenothera dentata var. parishii (Abrams) Munz variety synonym

Oenothera dentata var. johnstonii Munz variety synonym

Oenothera dentata var. cruciata S.Watson variety proparte synonym

Oenothera dentata var. campestris (Greene) Jeps. variety synonym

Camissonia campestris subsp. obispoensis P.H.Raven subspecies accepted

Camissonia campestris subsp. campestris subspecies accepted

Sphaerostigma campestre (Greene) Small species synonym

Sphaerostigma campestre var. campestre variety accepted

Oenothera siliquosa Nutt. species synonym

Oenothera dentata S.Watson species synonym

Oenothera campestris Greene species synonym

Oenothera campestris var. cruciata (S.Watson) Greene variety synonym